Effect of marigold (Tagetes erecta L.) on soil microbial communities in continuously cropped tobacco fields

Huang, Feiyan; Deng, Xiaopeng; Gao, Lingling; Cai, Xiwen; Ding, Yan; Cai, Yongzhan; Chen, Xiaolong; Yang, Min; Wenjie, Tong; Lei, Yu

doi:10.1038/s41598-022-23517-x

Cited by 5 publications

(4 citation statements)

References 33 publications

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“…Different plants shape speci c core rhizosphere microbial communities even when they grow in the same soil. However, long-term net cultivation of a single plant variety often leads to the accumulation of plant pathogens in the soil, which destroys and reduces the complexity of underground microbial communities, leading to reduced crop yield (Huang et al 2022; Mariotte et al 2018). Tobacco bacterial wilt is a devastating soil-borne disease caused by Ralstonia solanacearum, and diseased soil and residues are the main causes of tobacco bacterial wilt (Ameen), which can easily occur under long-term continuous cropping (Kawasaki et al 2007).…”

Section: Introductionmentioning

confidence: 99%

“…For example, crop rotation is used to maintain the rich array of plant species in the ecosystem (Larkin 2015), thereby reducing pathogen stress on plants via improving the diversity and structure of rhizosphere microorganisms (Cook 2006;D'Acunto et al 2018). Studies have proven that a reasonable crop rotation pattern can coordinate soil nutrients (Jagadamma et al 2008), optimize soil chemical properties, enhance the circulation and cooperation of soil microorganisms (Ben Abdallah et al 2023), and reduce the occurrence of soil-borne diseases (Huang et al 2022;Ma et al 2023;Niu et al 2017a; Yang et al 2018). For example, three-year radish green manure rotation had a cumulative effect on the soil inhibition of tomato-related pathogens, and tilting radish signi cantly reduced the occurrence of tomato bacterial wilt (Ben Abdallah et al 2023).…”

Section: Introductionmentioning

confidence: 99%

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Effect of tobacco–radish rotation for different years on bacterial wilt and rhizosphere microbial communities

Dai,

Li,

Wang

et al. 2024

Preprint

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Tobacco bacterial wilt is a major limiting factor for tobacco production and development, and it is more likely to occur under perennial single cropping of tobacco. In recent years, the rotation of tobacco-radish has gradually become popular. Therefore, we studied the effects of years of tobacco–radish rotation on tobacco bacterial wilt occurrence and rhizosphere microorganisms. The results indicated that both SY and TY could significantly reduce the risk of tobacco bacterial wilt occurrence, and SY had the lowest disease index. The rotation of radish plants significantly increased the soil pH but decreased the contents of alkali-hydrolysed nitrogen and organic matter in the soil. Alkali-hydrolysed nitrogen and pH are the key factors affecting the composition of the bacterial community. Furthermore, radish rotation changed the composition of the soil microbial community, increased the diversity of the bacterial community, and significantly altered the bacterial community structure. At the genus level, the abundance of Sphingomonas species negatively correlated with Ralstonia increased significantly, while the relative abundance of Rhodanobacterspecies positively correlated with Ralstoniadecreased significantly. Disease index, pH and available phosphorus were the main factors affecting the variation in different bacterial genera. The network analysis results showed that Ralstoniawas less connected in the network than in the CK group, and the SY treatment group had a more complex bacterial network structure. Overall, 2 years of tobacco and radish rotation improved the bacterial community structure of the rhizosphere soil and alleviated the harm caused by tobacco bacterial wilt, which is highly important for the stability and health of the rhizosphere soil ecosystem.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of tobacco–radish rotation for different years on bacterial wilt and rhizosphere microbial communities

Dai,

Li,

Wang

et al. 2024

Preprint

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“…Soil pH, organic matter, total potassium, available boron, zinc, CEC, and exchangeable magnesium under crop rotation were increased compared to soil under continuous cropping ( Verma et al, 2021a , 2022a , b ; Chen and Zeng, 2022 ). Previous studies on crop rotation and intercropping of tobacco and rice, corn, garlic, green manure, etc., found that crop rotation can effectively reduce the impact of tobacco continuous cropping ( Huang et al, 2019 , 2022 ; Wang et al, 2022 , 2023 ). Especially for soil microorganisms, crop rotation can effectively improve the population properties of soil microorganisms, as imbalances of soil microbial community are a common phenomenon caused by continuous cropping.…”

Section: Introductionmentioning

confidence: 99%

Variations in different preceding crops on the soil environment, bacterial community richness and diversity of tobacco-planting soil

Liu,

Xue,

Wang

et al. 2024

Front. Microbiol.

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Tobacco (Nicotiana tabacum L.) is a major cash crop, and soil quality played a significant role in the yield and quality of tobacco. Most farmers cultivate tobacco in rotation with other crops to improve the soil characteristics. However, the effects of different previous crops on the soil’s nutrient status and bacterial community for tobacco cultivation still need to be determined. Three treatments were assessed in this study, i.e., tobacco-planting soil without treatment (CK), soil with barley previously cultivated (T1), and soil with rapeseed previously cultivated (T2). The soil physical and chemical properties and the 16S rRNA gene sequence diversity of the bacterial community were analyzed. The effects of different crops on the physical and chemical properties of tobacco-planting soil and the diversity and richness of the bacterial community were comprehensively discussed. The results of this study showed that different previously cultivated crops altered the nutrient status of the soil, with changes in the ratio of NH4+-N to NO3−-N having the most significant impact on tobacco. In CK, the ratio of NH4+-N to NO3−-N was 1:24.2, T1–1:9.59, and T2–1:11.10. The composition of the bacterial community in tobacco-planting soil varied significantly depending on the previously cultivated crops. The richness and diversity of the bacterial community with different crops were considerably higher than without prior cultivation of different crops. The dominant bacteria in different treatments were Actinobacteriota, Proteobacteria, and Chloroflexi with their relative abundance differed. In conclusion, our study revealed significant differences in nutrient status, bacterial community diversity, and the richness of tobacco-planting soil after the preceding cultivation of different crops. Suitable crops should be selected to be previously cultivated in tobacco crop rotations in near future for sustainable agriculture.

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“…On the other hand, different planting methods have a great influence on RKN. Long-term continuous cropping of peanuts will undoubtedly aggravate the occurrence of RKN disease [10], and the traditional approach tends to use crop rotation to control RKN [11]. Bacterial community and structural changes are closely related to RKN disease.…”

Section: Introductionmentioning

confidence: 99%

Effect of Root-Knot Nematode Disease on Bacterial Community Structure and Diversity in Peanut Fields

Yan

Zhang

et al. 2023

Agronomy

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The root-knot nematode (RKN) disease is a highly destructive soilborne disease that significantly affects peanut yield in Northern China. The composition of the soil microbiome plays a crucial role in plant disease resistance, particularly for soilborne diseases like RKN. However, the relationship between the occurrence of RKN disease and the structure and diversity of bacterial communities in peanut fields remains unclear. To investigate bacterial diversity and the community structure of peanut fields with severe RKN disease, we applied 16S full-length amplicon sequencing based on the third high-throughput sequencing technology. The results indicated no significant differences in soil bacterial α-diversity between resistant and susceptible plants at the same site. However, the Simpson index of resistant plants was higher at the site of peanut-wheat-maize rotation (Ro) than that at the site of peanut continuous cropping (Mo), showing an increase of 21.92%. The dominant phyla identified in the peanut bulk soil included Proteobacteria, Acidobacteria, Actinobacteria, Planctomycetes, Chloroflexi, Firmicutes, and Bacteroidetes. Further analysis using LEfSe (Linear discriminant analysis effect size) revealed that Sulfuricellaceae at the family level was a biomarker in the bulk soil of susceptible peanut compared to resistant peanut. Additionally, Singulisphaera at the genus level was significantly more enriched in the bulk soil of resistant peanut than that of susceptible peanut. Soil properties were found to contribute to the abundance of bacterial operational taxonomic units (OTUs). Available phosphorus (AP), available nitrogen (AN), organic matter (OM), and pH made a positive contribution to the bacterial OTUs, while available potassium (AK) made a negative contribution. The metabolic pathway of novobiocin biosynthesis was only enriched in soil samples from resistant peanut plants. Eleven candidate beneficial bacteria and ten candidate harmful strains were identified in resistant and susceptible peanut, respectively. The identification of these beneficial bacteria provides a resource for potential biocontrol agents that can help improve peanut resistance to RKN disease. Overall, the study demonstrated that severe RKN disease could reduce the abundance and diversity of bacterial communities in peanut bulk soil. The identification of beneficial bacteria associated with resistant peanut offered the possibility for developing biocontrol strategies to enhance peanut resistance to RKN disease.

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Effect of marigold (Tagetes erecta L.) on soil microbial communities in continuously cropped tobacco fields

Cited by 5 publications

References 33 publications

Effect of tobacco–radish rotation for different years on bacterial wilt and rhizosphere microbial communities

Effect of tobacco–radish rotation for different years on bacterial wilt and rhizosphere microbial communities

Variations in different preceding crops on the soil environment, bacterial community richness and diversity of tobacco-planting soil

Effect of Root-Knot Nematode Disease on Bacterial Community Structure and Diversity in Peanut Fields

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